Ошибка в SQL запросе:
SELECT pup.prop_id, pup.type_view, prop.*
FROM `mg_product_user_property_data` as pup
LEFT JOIN `mg_property` as prop
ON pup.prop_id = prop.id
LEFT JOIN `mg_category_user_property` as cup
ON cup.property_id = prop.id
WHERE prop.`type` = 'assortmentCheckBox' AND
cup.category_id = '24' AND
pup.`prop_id` NOT IN ('0')
GROUP BY pup.`prop_id`
ORDER BY `sort` DESC;
Expression #2 of SELECT list is not in GROUP BY clause and contains nonaggregated column 'hgmuzwbq_buton.pup.type_view' which is not functionally dependent on columns in GROUP BY clause; this is incompatible with sql_mode=only_full_group_by/var/www/hgmuzwbq/data/www/xn--90af1abcc1ah.xn--p1ai/mg-core/models/product.php (line 1163)
/var/www/hgmuzwbq/data/www/xn--90af1abcc1ah.xn--p1ai/mg-core/controllers/product.php (line 57)
/var/www/hgmuzwbq/data/www/xn--90af1abcc1ah.xn--p1ai/mg-core/lib/moguta.php (line 57)
/var/www/hgmuzwbq/data/www/xn--90af1abcc1ah.xn--p1ai/mg-core/mg-start.php (line 21)
/var/www/hgmuzwbq/data/www/xn--90af1abcc1ah.xn--p1ai/index.php (line 92)